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Service bulletin 4168

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id10021179
Published by NHTSA2007-03-19
Manufacturer's number4168
NHTSA componentENGINE AND ENGINE COOLING:ENGINE

NHTSA's summary

ADDITIONAL DIAGNOSTICS FOR DTC'S C0035-C0052. *KB

The document

No address for NHTSA's copy can be built for this communication. Ask the dealer for it by the manufacturer's number.

Components

Engine

Trouble codes named

C0035, C0052

Vehicles listed
CHEVROLET KODIAK2003 to 2007
GMC TOPKICK2003 to 2007
GMC TOPKICK 65002006
GMC TOPKICK 85002006

Listing a model year does not mean every vehicle of it is concerned: the document says which.